CN216226199U

CN216226199U - Aluminum alloy crossbeam extrusion die

Info

Publication number: CN216226199U
Application number: CN202122852320.8U
Authority: CN
Inventors: 刘成科; 应贤川; 文伟; 任道; 朱加兵
Original assignee: Chongqing Nanfu Aluminium Co ltd
Current assignee: Chongqing Nanfu Aluminium Co ltd
Priority date: 2021-11-21
Filing date: 2021-11-21
Publication date: 2022-04-08
Anticipated expiration: 2031-11-21

Abstract

The utility model provides an aluminum alloy crossbeam extrusion die which comprises an upper die, a lower die and die cores, wherein the die cores comprise a first die core, a second die core and a third die core, the first die core and the second die core are respectively detachably connected with the upper die, a working belt is reserved between the second die core and the third die core, the lower die comprises an outer die and an inner die, the outer die and the inner die are detachably connected, communicated working belts are reserved between the outer die and the first die core, between the second die core and the third die core, and communicated working belts are reserved between the inner die and the second die core.

Description

Aluminum alloy crossbeam extrusion die

Technical Field

The utility model relates to the technical field of extrusion dies, in particular to an aluminum alloy beam extrusion die.

Background

The aluminum alloy is generally used for producing plates, rods, hollow pipes, semi-hollow pipes and the like with various specifications and shapes due to light weight and good fracture toughness and hot processing performance, and is widely applied to structures of automobiles, high-speed rails and airplanes. In actual production, one product corresponds to one upper die and one lower die, so that the cost of the die is high, the whole upper die and the whole lower die need to be replaced every time, and the replacement efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum alloy beam extrusion die, which aims to solve the problem of improving the replacement efficiency of the die while reducing the cost.

In order to achieve the purpose, the utility model provides an aluminum alloy beam extrusion die, which comprises an upper die, a lower die and a die core, and is characterized in that: the mold core includes first mold core, second mold core and third mold core, first mold core and second mold core respectively with go up the mould and can dismantle the connection, just leave the work area between second mold core and the third mold core, the lower mould includes external mold and centre form, external mold and centre form can be dismantled and be connected, leave the work area that is linked together between external mold and first mold core, second mold core and the third mold core, the centre form leaves the work area that is linked together with the second mold core.

In order to ensure good extrusion forming of the aluminum alloy, the first mold core and the second mold core are tightly attached.

Furthermore, the outer die and the inner die are tightly and fixedly connected, and the shape of the first die core is matched with that of the outer die.

The end surface is provided with evenly distributed and symmetrical screw holes under going up the mould, be provided with the screw through-hole corresponding with the screw hole on the lower mould, supply the screw connection go up mould and lower mould.

In order to facilitate the demolding of the aluminum alloy product, the inner sides of the outer mold and the inner mold are inclined outwards from top to bottom.

In order to ensure the tightness between the upper die and the lower die, a gasket is arranged between the upper die and the lower die.

And threaded through holes are formed in the first mold core and the second mold core, so that the first mold core and the second mold core are connected with the upper mold through screws.

The internal mold is characterized in that mounting plates are arranged on two sides of the internal mold, mounting holes are formed in the mounting plates, and the internal mold is connected with the external mold through the mounting plates.

Has the advantages that: the utility model provides an aluminum alloy beam extrusion die, which comprises the following steps: through the matching of the first mold core and the second mold core, a working band is formed between the first mold core and the outer mold and between the second mold core and the outer mold, and technicians only need to disassemble the inner mold and install the first mold core to form the mold; a second mold: and the first mold core is detached from the upper mold, the inner mold of the lower mold is installed, and a working band is formed between the inner mold and the second mold core to form the mold. No matter the first type of mould or the second type of mould, technical personnel only need to dismantle through simple, realize the switching in mould work area, need not the whole dismantlement of mould and change, and the mould switches efficiently, and a mould can produce two products simultaneously, reduces the mould cost.

Drawings

FIG. 1 is a schematic structural view of an aluminum alloy beam extrusion die in examples 1 and 2;

FIG. 2 is a bottom view of the upper die;

FIG. 3 is a bottom view of the lower die;

FIG. 4 is a bottom view of the aluminum alloy beam extrusion die of example 1;

fig. 5 is a bottom view of the aluminum alloy beam extrusion die in example 2.

Reference numerals: 1. an upper die; 2. a lower die; 3. a mold core; 4. a shunt bridge; 5. a shunt hole; 6. a welding chamber; 7. a first mold core; 8. a second mold core; 9. a third mold core; 10. an outer mold; 11. an inner mold; 12. a working band; 13. a gasket; 14. a threaded hole; 15. and (7) mounting the plate.

Detailed Description

The following detailed description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and modifications made to the utility model without departing from the principle of the utility model fall within the scope of the claims of the present invention.

Example 1

As shown in fig. 1-4, an aluminum alloy crossbeam extrusion die comprises an upper die 1, a lower die 2 and a die core 3, wherein a shunting bridge 4 is arranged in the middle of the upper die 1, shunting bridges 4 are provided with shunting holes 5 on two sides, the shunting holes 5 are communicated with a welding chamber 6, the shunting holes 5 gather aluminum alloy materials to the welding chamber 6, the die core 3 comprises a first die core 7, a second die core 8 and a third die core 9, threaded through holes are arranged on the first die core 7 and the second die core 8 and detachably connected with the upper die 1 through screws, a working band 12 is left between the second die core 8 and the third die core 9, the lower die 2 comprises an outer die 10, the outer die 10 is formed between the first die core 7, the second die core 8 and the third die core 9, the working band 12 is communicated with each other, the upper die 1 is fixedly connected with the lower die 2 through screws, and a gasket 13 is arranged for sealing, the working tape 12 is communicated with the shunting hole 5 and the welding chamber 6, and the welding chamber 6 is a hollow space with two sealed sides.

The first mold core 7 and the second mold core 8 are tightly attached, and the molding of an aluminum alloy product is facilitated.

Go up the terminal surface under the mould 1 and be provided with the screw hole 14 that evenly distributes and symmetry, be provided with the screw through-hole that is right to with screw hole 14 on the lower mould 2, supply the screw connection go up mould 1 and lower mould 2.

The inner side of the outer die 10 inclines from top to bottom to the outer side, so that the extrusion forming of aluminum alloy products is facilitated.

Technicians only need to install the first mold core 7, the second mold core 8 and the third mold core 9, then the lower mold 2 is tightly connected with the upper mold 1, normal production can be carried out, and a working belt 12 is formed between the first mold core 7, the second mold core 8, the third mold core 9 and the outer mold 10 to carry out extrusion forming on aluminum alloy materials.

Example 2

As shown in fig. 1, 2, 3 and 5, the aluminum alloy beam extrusion die according to embodiment 1 is different in that the upper die 1 is connected to only the second die core 8 and the third die core 9, the lower die 2 includes an outer die 10 and an inner die 11, a working band 12 is formed between the outer die 10 and the second die core 8, the inner die 11 and the third die core 9 form the working band 12, and the working band 12 is communicated with each other.

The outer mold 10 is tightly and fixedly connected with the inner mold 11, and the shape of the first mold core 7 is matched with that of the inner mold 11.

A technician only needs to disassemble the first mold core 7 and then install the inner mold 11, normal production can be carried out, aluminum alloy is heated at high temperature and pressurized at the same time, then enters the welding chamber 6 through the shunting holes 5 and the shunting bridges 4, a working belt 12 communicated with the second mold core 8 and the third mold core 9 and the outer mold 10 and the inner mold 11 is formed under the action of continuous pressure, and aluminum alloy materials are extruded and formed in the working belt 12.

Claims

1. The utility model provides an aluminum alloy crossbeam extrusion die, includes mould (1), lower mould (2) and mold core (3), its characterized in that: mold core (3) include first mold core (7), second mold core (8) and third mold core (9), first mold core (7) and second mold core (8) respectively with go up mold core (1) and can dismantle the connection, just leave work area (12) between second mold core (8) and third mold core (9), lower mould (2) are including external mold (10) and centre form (11), connection can be dismantled in external mold (10) and centre form (11), leave between external mold (10) and first mold core (7), second mold core (8) and third mold core (9) and be linked together work area (12), the centre form leaves work area (12) that are linked together with second mold core (8).

2. The aluminum alloy beam extrusion die of claim 1, wherein: the first mold core (7) and the second mold core (8) are tightly attached.

3. The aluminum alloy beam extrusion die of claim 1 or 2, wherein: the outer die (10) is tightly and fixedly connected with the inner die (11), and the first die core (7) is matched with the outer die (10) in shape.

4. The aluminum alloy beam extrusion die of claim 3, wherein: go up the terminal surface under mould (1) and be provided with evenly distributed and symmetrical screw hole (14), be provided with the screw through-hole corresponding with screw hole (14) on lower mould (2), supply the screw connection go up mould (1) and lower mould (2).

5. The aluminum alloy beam extrusion die of claim 4, wherein: the inner sides of the outer die (10) and the inner die (11) are inclined outwards from top to bottom.

6. The aluminum alloy beam extrusion die of claim 5, wherein: and a gasket (13) is arranged between the upper die (1) and the lower die (2).

7. The aluminum alloy beam extrusion die of claim 6, wherein: and the first mold core (7) and the second mold core (8) are provided with threaded through holes for connecting the first mold core (7) and the second mold core (8) with the upper mold (1) through screws.

8. The aluminum alloy beam extrusion die of claim 7, wherein: and mounting plates (15) are arranged on two sides of the internal mold (11), mounting holes are formed in the mounting plates, and the internal mold (11) is connected with the external mold (10) through the mounting plates (15).